Convertible furniture frame



FIG. 1 is an isometric view of a convertible furniture frame incorporating the design of the invention;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a front elevation view of the convertible furniture frame;

FIG. 4 is a side elevation view taken along line 4--4 in FIG. 3;

FIG. 5 is a back elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The phantom lines shown in FIGS. 1-7 showing the cushion and remaining portions of the convertible furniture frame are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a convertible furniture frame, as shown and described. 